A plane electromagnetic wave having a frequency f = 23.9 G H z propagates along the positive z - direction in free space. The peak value of the Electric Field is 60 V / m . Which among the following i

Question

A plane electromagnetic wave having a frequency f = 23.9 G H z propagates along the positive z - direction in free space. The peak value of the Electric Field is 60 V / m . Which among the following is the acceptable magnetic field component in the electromagnetic wave?

TestHub · Accepted Answer

B = E c = 60 3 × 10 8 = 2 × 10 - 7 The magnetic field can be written as, k = 2 π λ = 2 π c / f ≈ 500 ω = 2 π f ≈ 1.5 × 10 11 B → = 2 × 10 - 7 sin ⁡ ( 0.5 × 10 3 z - 1.5 × 10 11 t ) i ^

Physics - EM Waves Question with Solution | TestHub

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